AR15 Ammo For Sale

Live Inventory
Your AR-15 is only as good as the ammo you feed it. Whether you're training, hunting, or stocking up, we've got reliable 223 Rem and 5.56 NATO rounds in stock and ready to ship. Learn More
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  1. Federal Tactical TRU 223 Ammo - 500 Rounds of 55 Grain GameKing HPBT Ammunition

    $449.99

    10 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3220 FPS
    Muzzle Energy 1266 ft lbs
    • 500 Rounds
    • 90¢ per round
    • Made by Federal
  2. Winchester USA 5.56x45 Ammo - 1000 Rounds of 55 Grain FMJ Ammunition

    $514.99

    92 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3180 FPS
    Muzzle Energy 1235 ft lbs
    • 1000 Rounds
    • 51.5¢ per round
    • Made by Winchester
  3. Winchester USA 5.56x45 Ammo - 1000 Rounds of 55 Grain FMJ Ammunition

    $519.99

    53 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3180 FPS
    Muzzle Energy 1235 ft lbs
  4. Winchester USA 5.56x45 Ammo - 1000 Rounds of 55 Grain FMJ M193 Ammunition

    $519.99

    74 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3180 FPS
    Muzzle Energy 1235 ft lbs
  5. Winchester USA 223 Ammo - 1000 Rounds of 55 Grain FMJ Ammunition

    $519.99

    25 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3240 FPS
    Muzzle Energy 1282 ft lbs
  6. Winchester 5.56x45 Ammo - 1000 Rounds of 62 Grain FMJ M855 Ammunition

    $544.99

    92 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Penetrator
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3060 FPS
    Muzzle Energy 1289 ft lbs
    • 1000 Rounds
    • 54.5¢ per round
    • Made by Winchester
  7. Winchester USA VALOR 5.56x45 Ammo - 1250 Rounds of 62 Grain FMJ M855 Ammunition

    $624.99

    77 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Penetrator
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3060 FPS
    Muzzle Energy 1289 ft lbs
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Overview of AR15 Ammo

Whether you run a 223 Remington or 5.56 in your AR‑15, choosing ammo that matches your barrel twist and mission is critical. This category offers everything from lightweight 55‑grain plinking rounds to high‑performance 77‑grain match-grade and polymer-tipped hunting loads. Begin browsing or stock up with confidence — our bulk AR-15 ammo page has you covered for practice or protection.

Looking for volume? Shop our 223 bulk ammo or 5.56 bulk deals to save while topping off your range bag.

Top Brand Picks for AR‑15 Shooters

  • Hornady 5.56 ammo: Ideal for hunters and long-range shooters with options like the .223 VARMAGEDDON and 77‑grain BTHP match loads.
  • Hornady 223 ammo: Home defense and critical duty rounds like Critical Duty, plus accurate Match 75‑grain .223 loads.
  • Federal 223 ammo: Availability you can count on, with popular 55‑grain XM193-type and 77‑grain Sierra MatchKing rounds.
  • Federal 5.56 ammo: Battle-grade performance with dependable loads like Green Tip and Gold Medal Match.
  • PMC 5.56 ammo: Budget-friendly performance with trusted FMJ and X-TAC loads.

Ballistics at a Glance

Understanding trajectory and energy can help you pick the right round for your AR setup. For detailed velocity, drop, and energy charts, check out our 223 ballistics tables and 5.56 ballistics tables. These breakdowns highlight how heavy bullets retain energy further versus lighter, faster rounds.

Sam Jacobs
Written by
Sam Jacobs

Customer Reviews

  • Bear Patrol said:

    Ammo comes in 5 plastic mini ammo boxes that look really neat! I wish the carry handles were real but they’re still worth holding onto for future use. So far I’ve put about 360 of these through my Windham HBC with no issues. As for accuracy I’ve only fired at targets from 100 yards or less from a standing position, so I’m not sure how they do at longer ranges but they always hit where I aim at those distances. The only downside for me so far is that I have to use paper targets or improvised targets (milk jugs, cans, etc.) Because these were leaving some SERIOUS dents in my 1/2 inch thick ar500 steel target. Overall I’d definitely recommend these to someone looking for decent 5.56 ammo at a good price.

  • Thomas said:

    Ran this ammo thru my Ruger AR with a Banish suppressor on, and everyone was amazed at how quiet it was, and when my target came back in, how accurate. Great ammo, would buy again.

  • Cam said:

    Ammo was cheap and works as designed

  • Bedwetter said:

    Love this ammo have bought this 2x and have no problem with it In an AR 15 loads good no misfires or FFEX FFFR FFLD cleans up well and have no problem with it

  • Matthew said:

    Ammo was inexpensive and dependable. Shipping was on time. Would definitely recommend.

  • William said:

    I have had a chance to use a few of the rounds, and am happy with the performance. No jams, and true flight.

  • Lark said:

    I have went thru about 200 rounds so far. Tight groups and no problems whatsoever. I have been trying out different ammo for different AR's. I typically buy 1,000--2,000 rounds at a time. I try to keep the cost as close to 40 cents per round as I can get. This was 57.5 cents per round (but I wanted to give it a try). Again, nothing bad to say about this ammo--but the price will probably keep me from ordering more. Also--I prefer 62 grain (75 and 77 grain would be my top choices, but (usually) the cost is prohibitive). Very good ammo.

  • CM said:

    First time customer (of website and vendor), was really happy with their value, the way they shot and the quick arrival!

  • Chris said:

    I bought 500 rounds of the 556 FMJ out of the first few boxes (60 rounds) 11 have failed to fire. Firing pin struck the bullet but no boom. Will not be purchasing again.

  • JayG said:

    I've been using Tula in my XDM .45 for plinking and have had no issues so I thought I'd give these a try, but the Tula .223 Rem 55gr malfunctions VERY often in my modern sporting rifle. Every 2-4 rounds caused a failure to eject/cycle, or double feed. I've had NO issues with brass in the same rifle. Not worth the pennies saved, I won't be buying Tula .223 again or even finishing the rounds I bought.

  • Jim said:

    They shoot well but are dirty rounds.

  • Steve said:

    Perfect results

  • Kevin said:

    Came fast and cheap. Buy bulk and plant freedom seeds.

  • Brink said:

    All good.

  • Brian said:

    There great for price

  • Brian said:

    Worked as described.

  • Christopher M said:

    Great price, solid performance, and Ammo.com has great customer service.

  • Justis said:

    I've used Winchester rounds in other calibers and never been disappointed by them, and I can say the same for these 5.56 rounds. Excellent training rounds, good pricing, and I've had no issues with the first 450 rounds I've used so far.

  • D. said:

    Was very happy with proformance of Winchester 556.no jams with 2 ARs.will be making another purchase very soon.Thanx much AMMO.you have great sales.

  • Jacob said:

    The rounds were dirty, with some having excess powder or some kind of processing oil/grease on them. A few boxes had 18/19 rounds in them. Worked well in my rifle after 500 rounds so far and were a good price.

  • B.S said:

    Shot 250 rounds , no isues.

  • Jona snow said:

    Great rounds , not one miss fire

  • kevinjc73 said:

    I have a Ruger AR556 in which Ive shot 200 rounds of Winchester 193 556 with no problems accurate at 50, 100 and 200 yards

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